package com.osce.system.service;

import cn.hutool.core.util.ObjectUtil;
import com.csce.domain.entity.system.SysPost;
import com.csce.domain.entity.system.SysUserPost;
import com.csce.domain.entity.system.SysUserRole;
import com.doudou.core.container.MapUtil;
import com.osce.common.annotation.DataScope;
import com.osce.common.constant.UserConstants;
import com.osce.common.core.entity.entity.SysMilitaryUser;
import com.osce.common.core.entity.entity.SysRole;
import com.osce.common.core.entity.entity.SysUser;
import com.osce.common.core.entity.entity.SysUserInfo;
import com.osce.common.core.entity.vo.SimulatedPatientExcelVo;
import com.osce.common.core.entity.vo.StudentExcelVo;
import com.osce.common.core.entity.vo.TeacherExcelVo;
import com.osce.common.exception.ServiceException;
import com.osce.common.utils.SecurityUtils;
import com.osce.common.utils.StringUtils;
import com.osce.common.utils.bean.BeanValidators;
import com.osce.common.utils.spring.SpringUtils;
import com.osce.interfaces.system.ISysConfigService;
import com.osce.interfaces.system.ISysUserInfoService;
import com.osce.interfaces.system.ISysMilitaryUserService;
import com.osce.interfaces.system.ISysUserService;
import com.osce.system.mapper.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import javax.annotation.Resource;
import javax.validation.Validator;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * 用户 业务层处理
 *
 * @author ruoyi
 */
@Service
public class SysUserServiceImpl implements ISysUserService {

    private static final Logger log = LoggerFactory.getLogger(SysUserServiceImpl.class);

    @Resource
    private SysUserMapper userMapper;
    @Resource
    private ISysUserInfoService userInfoService;
    @Resource
    private SysRoleMapper roleMapper;
    @Resource
    private SysPostMapper postMapper;
    @Resource
    private SysUserRoleMapper userRoleMapper;
    @Resource
    private SysUserPostMapper userPostMapper;
    @Resource
    private ISysConfigService configService;
    @Resource
    protected Validator validator;

    @Autowired
     private ISysMilitaryUserService militaryUserService;

    /**
     * 根据条件分页查询用户列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectUserList(SysUser user) {
        // 当状态等于"3"时，查询被删除的数据
        if (user != null && "2".equals(user.getStatus())) {
            user.setDelFlag("2"); // 设置删除标志为2（被删除状态）
            user.setStatus(null); // 清空状态条件
        } else if (user != null && user.getDelFlag() == null) {
            // 其他情况默认不显示被删除的数据
            user.setDelFlag("0"); // 设置删除标志为0（正常状态）
        }
        return userMapper.selectUserList(user);
    }

    /**
     * 根据条件分页查询已分配用户角色列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectAllocatedList(SysUser user) {
        return userMapper.selectAllocatedList(user);
    }

    /**
     * 根据条件分页查询未分配用户角色列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectUnallocatedList(SysUser user) {
        return userMapper.selectUnallocatedList(user);
    }

    /**
     * 通过用户名查询用户
     *
     * @param userName 用户名
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserByUserName(String userName) {
        return userMapper.selectUserByUserName(userName);
    }

    /**
     * 通过用户ID查询用户
     *
     * @param userId 用户ID
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserById(Long userId) {
        return userMapper.selectUserById(userId);
    }

    @Override
    public SysUser selectUserByIdentity(String identity) {
        return userMapper.selectUserByIdentity(identity);
    }

    /**
     * 查询用户所属角色组
     *
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserRoleGroup(String userName) {
        List<SysRole> list = roleMapper.selectRolesByUserName(userName);
        if (CollectionUtils.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysRole::getRoleName).collect(Collectors.joining(","));
    }

    /**
     * 查询用户所属岗位组
     *
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserPostGroup(String userName) {
        List<SysPost> list = postMapper.selectPostsByUserName(userName);
        if (CollectionUtils.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysPost::getPostName).collect(Collectors.joining(","));
    }

    /**
     * 校验用户名称是否唯一
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean checkUserNameUnique(SysUser user) {
        Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
        SysUser info = userMapper.checkUserNameUnique(user.getUserName());
        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != userId.longValue()) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验手机号码是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public boolean checkPhoneUnique(SysUser user) {
        Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
        SysUser info = userMapper.checkPhoneUnique(user.getPhonenumber());
        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != userId.longValue()) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验email是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public boolean checkEmailUnique(SysUser user) {
        Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
        SysUser info = userMapper.checkEmailUnique(user.getEmail());
        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != userId.longValue()) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验用户是否允许操作
     *
     * @param user 用户信息
     */
    @Override
    public void checkUserAllowed(SysUser user) {
        if (StringUtils.isNotNull(user.getUserId()) && user.isAdmin()) {
            throw new ServiceException("不允许操作超级管理员用户");
        }
    }

    /**
     * 校验用户是否有数据权限
     *
     * @param userId 用户id
     */
    @Override
    public void checkUserDataScope(Long userId) {
        if (!SysUser.isAdmin(SecurityUtils.getUserId())) {
            SysUser user = new SysUser();
            user.setUserId(userId);
            List<SysUser> users = SpringUtils.getAopProxy(this).selectUserList(user);
            if (StringUtils.isEmpty(users)) {
                throw new ServiceException("没有权限访问用户数据！");
            }
        }
    }

    /**
     * 新增保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int insertUser(SysUser user) {
        // 新增用户信息
        int rows = userMapper.insertUser(user);
        // 新增用户岗位关联
        insertUserPost(user);
        // 新增用户与角色管理
        insertUserRole(user);
        // 新增用户扩展信息
        insertUserInfo(user);
        // 新增军人用户信息
        insertMilitaryUser(user);
        return rows;
    }

    public int insertUserInfo(SysUser user) {
        SysUserInfo userInfo = ObjectUtil.isNotEmpty(user.getUserInfo()) ? user.getUserInfo() : new SysUserInfo();
        userInfo.setId(user.getUserId());
        return userInfoService.insertSysUserInfo(userInfo);
    }

    public int insertMilitaryUser(SysUser user) {
        if (ObjectUtil.isNotEmpty(user.getMilitaryUser())) {
            user.getMilitaryUser().setUserId(user.getUserId());
            return militaryUserService.insertSysMilitaryUser(user.getMilitaryUser());
        }
        return 0;
    }

    /**
     * 注册用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean registerUser(SysUser user) {
        return userMapper.insertUser(user) > 0;
    }

    /**
     * 修改保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int updateUser(SysUser user) {
        Long userId = user.getUserId();
        // 删除用户与角色关联
        userRoleMapper.deleteUserRoleByUserId(userId);
        // 新增用户与角色管理
        insertUserRole(user);
        // 删除用户与岗位关联
        userPostMapper.deleteUserPostByUserId(userId);
        // 新增用户与岗位管理
        insertUserPost(user);
        // 修改用户基础信息
        updateUserInfo(user);
        // 修改军人用户信息
        updateMilitaryUser(user);
        return userMapper.updateUser(user);
    }

    public int updateUserInfo(SysUser user) {
        if (ObjectUtil.isNotEmpty(user.getUserInfo())) {
            SysUserInfo userInfo = user.getUserInfo();
            userInfo.setId(user.getUserId());
            
            // 检查userInfo是否有任何非空字段需要更新
            // 只检查主要业务字段，如果所有字段都为null，则不执行更新
            boolean hasNonNullField = false;
            if (userInfo.getSchool() != null || userInfo.getBase() != null || 
                userInfo.getPost() != null || userInfo.getEducatiod() != null ||
                userInfo.getDegree() != null || userInfo.getDegreeType() != null ||
                userInfo.getHighestDegree() != null || userInfo.getHeight() != null ||
                userInfo.getWeight() != null || userInfo.getNationality() != null ||
                userInfo.getMarital() != null || userInfo.getBirth() != null ||
                userInfo.getPoliticsStatus() != null || userInfo.getDocCertNum() != null ||
                userInfo.getCertGetTime() != null || userInfo.getReservedOne() != null ||
                userInfo.getReservedTwo() != null) {
                hasNonNullField = true;
            }
            
            // 只有当有实际需要更新的字段时才执行更新
            if (hasNonNullField) {
                return userInfoService.updateSysUserInfo(userInfo);
            }
        }
        return -1;
    }

    public int updateMilitaryUser(SysUser user) {
        if (ObjectUtil.isNotEmpty(user.getMilitaryUser())) {
            user.getMilitaryUser().setUserId(user.getUserId());
            // 检查是否已存在，如果不存在则插入
            SysMilitaryUser existing = militaryUserService.selectSysMilitaryUserByUserId(user.getUserId());
            if (existing != null) {
                return militaryUserService.updateSysMilitaryUser(user.getMilitaryUser());
            } else {
                return militaryUserService.insertSysMilitaryUser(user.getMilitaryUser());
            }
        }
        return 0;
    }

    /**
     * 用户授权角色
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    @Override
    @Transactional
    public void insertUserAuth(Long userId, Long[] roleIds) {
        userRoleMapper.deleteUserRoleByUserId(userId);
        insertUserRole(userId, roleIds);
    }

    /**
     * 修改用户状态
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserStatus(SysUser user) {
        return userMapper.updateUser(user);
    }

    /**
     * 修改用户基本信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserProfile(SysUser user) {
        return ObjectUtil.isNotEmpty(user.getUserInfo()) ? updateUser(user) : userMapper.updateUser(user);
    }

    /**
     * 修改用户头像
     *
     * @param userName 用户名
     * @param avatar   头像地址
     * @return 结果
     */
    @Override
    public boolean updateUserAvatar(String userName, String avatar) {
        return userMapper.updateUserAvatar(userName, avatar) > 0;
    }

    /**
     * 重置用户密码
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int resetPwd(SysUser user) {
        return userMapper.updateUser(user);
    }

    /**
     * 重置用户密码
     *
     * @param userName 用户名
     * @param password 密码
     * @return 结果
     */
    @Override
    public int resetUserPwd(String userName, String password) {
        return userMapper.resetUserPwd(userName, password);
    }

    /**
     * 新增用户角色信息
     *
     * @param user 用户对象
     */
    public void insertUserRole(SysUser user) {
        this.insertUserRole(user.getUserId(), user.getRoleIds());
    }

    /**
     * 新增用户岗位信息
     *
     * @param user 用户对象
     */
    public void insertUserPost(SysUser user) {
        Long[] posts = user.getPostIds();
        if (StringUtils.isNotEmpty(posts)) {
            // 新增用户与岗位管理
            List<SysUserPost> list = new ArrayList<SysUserPost>(posts.length);
            for (Long postId : posts) {
                SysUserPost up = new SysUserPost();
                up.setUserId(user.getUserId());
                up.setPostId(postId);
                list.add(up);
            }
            userPostMapper.batchUserPost(list);
        }
    }

    /**
     * 新增用户角色信息
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    public void insertUserRole(Long userId, Long[] roleIds) {
        if (StringUtils.isNotEmpty(roleIds)) {
            // 新增用户与角色管理
            List<SysUserRole> list = new ArrayList<>(roleIds.length);
            for (Long roleId : roleIds) {
                SysUserRole ur = new SysUserRole();
                ur.setUserId(userId);
                ur.setRoleId(roleId);
                list.add(ur);
            }
            userRoleMapper.batchUserRole(list);
        }
    }

    /**
     * 通过用户ID删除用户
     *
     * @param userId 用户ID
     * @return 结果
     */
    @Override
    @Transactional
    public int deleteUserById(Long userId) {
        // 删除用户与角色关联
        userRoleMapper.deleteUserRoleByUserId(userId);
        // 删除用户与岗位表
        userPostMapper.deleteUserPostByUserId(userId);
        return userMapper.deleteUserById(userId);
    }

    /**
     * 批量删除用户信息
     *
     * @param userIds 需要删除的用户ID
     * @return 结果
     */
    @Override
    @Transactional
    public int deleteUserByIds(Long[] userIds) {
        for (Long userId : userIds) {
            SysUser sysUser = new SysUser();
            sysUser.setUserId(userId);
            checkUserAllowed(sysUser);
            checkUserDataScope(userId);
        }
        // 删除用户与角色关联
        userRoleMapper.deleteUserRole(userIds);
        // 删除用户与岗位关联
        userPostMapper.deleteUserPost(userIds);
        return userMapper.deleteUserByIds(userIds);
    }

    /**
     * 导入用户数据
     *
     * @param userList        用户数据列表
     * @param isUpdateSupport 是否更新支持，如果已存在，则进行更新数据
     * @param operName        操作用户
     * @return 结果
     */
    @Override
    public String importUser(List<SysUser> userList, Boolean isUpdateSupport, String operName) {
        if (StringUtils.isNull(userList) || userList.size() == 0) {
            throw new ServiceException("导入用户数据不能为空！");
        }
        int successNum = 0;
        int failureNum = 0;
        StringBuilder successMsg = new StringBuilder();
        StringBuilder failureMsg = new StringBuilder();
        String password = configService.selectConfigValueByKey("sys.user.initPassword");
        for (SysUser user : userList) {
            try {
                // 验证是否存在这个用户
                SysUser u = userMapper.selectUserByUserName(user.getUserName());
                if (StringUtils.isNull(u)) {
                    BeanValidators.validateWithException(validator, user);

                    // 验证登录名唯一性
                    if (!checkUserNameUnique(user)) {
                        throw new ServiceException("登录名" + user.getUserName() + "已存在");
                    }

                    // 验证手机号唯一性
                    if (StringUtils.isNotEmpty(user.getPhonenumber()) && !checkPhoneUnique(user)) {
                        throw new ServiceException("手机号" + user.getPhonenumber() + "已存在");
                    }

                    // 验证身份证号唯一性
                    if (StringUtils.isNotEmpty(user.getIdentity())) {
                        SysUser identityUser = userMapper.selectUserByIdentity(user.getIdentity());
                        if (StringUtils.isNotNull(identityUser)) {
                            throw new ServiceException("身份证号" + user.getIdentity() + "已存在");
                        }
                    }

                    user.setPassword(SecurityUtils.encryptPassword(password));
                    user.setCreateBy(operName);
                    insertUser(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 导入成功");
                } else if (isUpdateSupport) {
                    BeanValidators.validateWithException(validator, user);
                    checkUserAllowed(u);
                    checkUserDataScope(u.getUserId());

                    // 验证手机号唯一性（排除当前用户）
                    if (StringUtils.isNotEmpty(user.getPhonenumber())) {
                        user.setUserId(u.getUserId());
                        if (!checkPhoneUnique(user)) {
                            throw new ServiceException("手机号" + user.getPhonenumber() + "已存在");
                        }
                    }

                    // 验证身份证号唯一性（排除当前用户）
                    if (StringUtils.isNotEmpty(user.getIdentity())) {
                        SysUser identityUser = userMapper.selectUserByIdentity(user.getIdentity());
                        if (StringUtils.isNotNull(identityUser) && !identityUser.getUserId().equals(u.getUserId())) {
                            throw new ServiceException("身份证号" + user.getIdentity() + "已存在");
                        }
                    }

                    user.setUserId(u.getUserId());
                    user.setUpdateBy(operName);
                    updateUser(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 更新成功");
                } else {
                    failureNum++;
                    failureMsg.append("<br/>" + failureNum + "、账号 " + user.getUserName() + " 已存在");
                }
            } catch (Exception e) {
                failureNum++;
                String msg = "<br/>" + failureNum + "、账号 " + user.getUserName() + " 导入失败：";
                failureMsg.append(msg + e.getMessage());
                log.error(msg, e);
            }
        }
        StringBuilder resultMsg = new StringBuilder();

        // 合并成功和失败信息
        if (successNum > 0) {
            resultMsg.append("数据导入结果：\n");
            resultMsg.append("成功导入 " + successNum + " 条数据：").append(successMsg).append("\n");
        }

        if (failureNum > 0) {
            if (resultMsg.length() == 0) {
                resultMsg.append("数据导入结果：\n");
            }
            resultMsg.append("失败 " + failureNum + " 条数据：").append(failureMsg);
        }

        // 如果全部成功
        if (failureNum == 0 && successNum > 0) {
            resultMsg = new StringBuilder("恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：").append(successMsg);
        }

        return resultMsg.toString();
    }

    @Override
    public SysUserInfo createUserInfo(Object excelVo, Map<String, Long> baseMap, Map<String, Long> schoolMap) {
        SysUserInfo.SysUserInfoBuilder userInfo;
        if (excelVo instanceof TeacherExcelVo) {
            TeacherExcelVo teacher = (TeacherExcelVo) excelVo;
            userInfo = SysUserInfo.builder().base(MapUtil.get(baseMap, teacher.getBase())).school(MapUtil.get(schoolMap, teacher.getSchool())).post(teacher.getPost());
        } else if (excelVo instanceof StudentExcelVo) {
            StudentExcelVo student = (StudentExcelVo) excelVo;
            userInfo = SysUserInfo.builder().base(MapUtil.get(baseMap, student.getBase())).school(MapUtil.get(schoolMap, student.getSchool())).post(student.getPost());
        } else if (excelVo instanceof SimulatedPatientExcelVo) {
            SimulatedPatientExcelVo simulatedPatient = (SimulatedPatientExcelVo) excelVo;
            userInfo = SysUserInfo.builder().height(simulatedPatient.getHeight()).weight(simulatedPatient.getWeight()).
                    nationality(simulatedPatient.getNationality()).marital(simulatedPatient.getMarital()).post(simulatedPatient.getPost());
        } else {
            userInfo = SysUserInfo.builder();
        }
        return userInfo.build();
    }

    @Override
    public String selectNickNameByUserId(Long userId) {
        if (userId == null) {
            return null;
        }
        return userMapper.selectNickNameById(userId);
    }

    @Override
    public List<SysUser> selectUserListByIds(Collection<Long> allStudentIds) {
        return userMapper.selectUserListByIds(allStudentIds);
    }

    @Override
    public int recoverUser(Long userId) {
        return userMapper.recoverUser(userId);
    }
}
